Health

Keto Macros Calculator

Find keto fat grams after fixing carbs and protein.

Daily calories (kcal)

Carbs

Protein

Calculated Output

Fat 157.78

Carbs (% of kcal) 5

Formula: fat = (calories − carbs×4 − protein×4) ÷ 9

Step-by-Step Breakdown

1. Values used:

2. Daily calories = 2,000 kcal

3. Carbs = 25

4. Protein = 120

6. Fat = 157.78

7. Carbs = 5% of kcal

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The math behind it

fat grams = (calories − carbs×4 − protein×4) ÷ 9. Keto keeps carbs very low (often ~20–30 g).

2,000 kcal, 25 g carbs, 120 g protein → ~144 g fat.

Carb limit?

Most keto plans cap net carbs around 20–50 g/day.